摘要:
Disclosed are a method for preparing a catalyst, which has excellent nitrogen oxide-removal performance and resistance over a wide temperature range, and the use of the catalyst. According to the disclosed method, the oxidation number and surface defects of the catalyst are changed by applying artificial high energy through mechanical ball milling during the preparation process of the catalyst, instead of applying the addition of a precious metal, the deformation of a support and the use of a co-catalyst in order to increase NOx removal activity, such that activation energy for inducing redox reactions can be decreased.
摘要:
Disclosed are a method for preparing a catalyst, which has excellent nitrogen oxide-removal performance and resistance over a wide temperature range, and the use of the catalyst. According to the disclosed method, the oxidation number and surface defects of the catalyst are changed by applying artificial high energy through mechanical ball milling during the preparation process of the catalyst, instead of applying the addition of a precious metal, the deformation of a support and the use of a co-catalyst in order to increase NOx removal activity, such that activation energy for inducing redox reactions can be decreased.
摘要:
Disclosed is a vanadium/titania-based catalyst including natural manganese ore for removing nitrogen oxides and dioxin in a wide operating temperature range and a method of using the same. Specifically, this invention pertains to a vanadium/titania (V/TiO2)-based catalyst including natural manganese ore for removing nitrogen oxides and dioxin in a wide operating temperature range, in which the WTiO2 catalyst for selective catalytic reduction of nitrogen oxides and removal of dioxin contained in flue gas includes 5-30 wt % of natural manganese ore, thus exhibiting excellent activity of removing nitrogen oxides even in the low temperature range and of removing dioxin at the same time, and to a method of using the same. The catalyst of this invention has good thermal stability and thus can simultaneously manifest nitrogen oxides removal performance and dioxin removal performance superior to conventional vanadium/titania catalysts in a wide temperature range (150˜450° C.) including not only a high temperature range but also a low temperature range. As well, since unreacted ammonia emissions can be reduced, the formation of an ammonium salt is prevented and ammonium nitrate is decomposed at low temperatures, thus solving the problems of inactivation of the catalyst due to catalytic poisoning and of a shortened lifetime thereof, leading to economic benefits.
摘要:
Disclosed is a method for preparing a deNOx catalyst for removing nitrogen oxides (NOx) included in exhaust gas and the like. One embodiment of the present invention discloses a V2O5(vanadium pentoxide)-TiO2(titanium dioxide)-based deNOx catalyst for removing nitrogen oxides through selective catalytic reduction by dry-ball-milling crystalline titanium dioxide (TiO2) powder and crystalline vanadium pentoxide (V2O5) powder.
摘要翻译:公开了一种制备用于除去废气等中所含的氮氧化物(NOx)的脱硝催化剂的方法。 本发明的一个实施方案公开了通过干球磨结晶二氧化钛(TiO 2)粉末和结晶五氧化二钒(V 2 O 5)的选择性催化还原来除去氮氧化物的V 2 O 5(五氧化二钒)-TiO 2(二氧化钛) )粉。
摘要:
An apparatus, and an associated method, for facilitating stabilization of a recorded video sequence, formed of captured image frames. Captured image frames are cropped by a frame cropper. Cropping of an image is dependent upon lighting conditions. Upon the occurrence of a low-light, lighting condition, the amount of cropping is altered. And, when acceptable lighting conditions return, the amount of cropping is again altered, all in a manner to facilitate video stabilization.
摘要:
The object of the present invention is to provide a wafer cleaning apparatus that reduces the amount of dissolved oxygen, without using hydrogen peroxide, to be able to reduce the deformation, etc. of a wafer and to reduce silicon consumption and a wafer cleaning method using the same.The present invention provides a wafer cleaning apparatus comprising: a first thin film contactor that receives drug solution for removing an oxide film or ultra pure water to separate and discharge gas dissolved in the drug solution for removing the oxide film or the ultra pure water; a second thin film contactor that receives the drug solution for removing the oxide film or the ultra pure water discharged from the first thin film contactor; a vacuum pump that discharges gas separated in the first and second thin film contactors to the outside; and a process vessel that stores the drug solution for removing the oxide film or the ultra pure water discharged from the second thin film contactor, and a wafer cleaning method using the same.
摘要:
An uncreped tissue sheet having improved softness results from supplementally dewatering a wet web to a consistency of greater than about 30 percent using noncompressive dewatering techniques prior to a differential speed transfer and subsequent throughdrying. An air press particularly well suited for providing the supplemental noncompressive dewatering incorporates side and/or end seals to minimize escape of pressurized fluid. A creped tissue sheet can be produced with a variety of manufacturing benefits using the air press.
摘要:
An apparatus, and an associated method, for facilitating stabilization of a recorded video sequence, formed of captured image frames. Captured image frames are cropped by a frame cropper. Cropping of an image is dependent upon lighting conditions. Upon the occurrence of a low-light, lighting condition, the amount of cropping is altered. And, when acceptable lighting conditions return, the amount of cropping is again altered, all in a manner to facilitate video stabilization.
摘要:
An apparatus, and an associated method, facilitates capturing an image in an electronic camera without having to wait for an image to settle or the camera to stabilize. Image frames are captured continuously. Data representing captured images is compressed. The compressed files are stored continuously, such that even before a shutter button is actuated, one or compressed image frames have already been recorded. When the shutter button is actuated, the largest of the compressed data files is selected for use, such as display, printing or transmission. Selection is made based on the size of the compressed image file.
摘要:
An apparatus, and an associated method, for forming a panoramic image at a camera. Motion indicia is obtained by one or more sensors. The motion indicia is utilized by a camera controller to cause a panoramic image creator to create a segmented, panoramic image using image frames that permit the creation of the panoramic image of the desired configuration.